fix fehler40

[r15159]

diff --git a/ir/opt/ldstopt.c b/ir/opt/ldstopt.c
index 11da340..84a52a4 100644 (file)
--- a/ir/opt/ldstopt.c
+++ b/ir/opt/ldstopt.c
@@ -979,7 +979,12 @@ static unsigned optimize_phi(ir_node *phi, walk_env_t *wenv)
        if (n <= 0)
                return 0;
 
-       store = skip_Proj(get_Phi_pred(phi, 0));
+       /* must be only one user */
+       projM = get_Phi_pred(phi, 0);
+       if (get_irn_n_edges(projM) != 1)
+               return 0;
+
+       store = skip_Proj(projM);
        old_store = store;
        if (get_irn_op(store) != op_Store)
                return 0;
@@ -1007,8 +1012,12 @@ static unsigned optimize_phi(ir_node *phi, walk_env_t *wenv)
        exc  = info->exc_block;
 
        for (i = 1; i < n; ++i) {
-               ir_node *pred = skip_Proj(get_Phi_pred(phi, i));
+               ir_node *pred = get_Phi_pred(phi, i);
+
+               if (get_irn_n_edges(pred) != 1)
+                       return 0;
 
+               pred = skip_Proj(pred);
                if (get_irn_op(pred) != op_Store)
                        return 0;